/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2006-2007
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Simon Fraser <smfr@smfr.org>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */


#import "NSString+Utils.h"

#import "TruncatingTextFieldCell.h"

@interface TruncatingTextFieldCell(Private)

- (NSString*)truncatedStringForRect:(NSRect)inRect;
- (NSDictionary*)fontAttributes;
- (NSRect)textBoundsForFrame:(NSRect)inFrameRect;

@end

@implementation TruncatingTextFieldCell

// designated initializer
- (id)initTextCell:(NSString*)inTextValue
{
  if ((self = [super initTextCell:inTextValue]))
  {
    mTruncationPosition = kTruncateAtEnd;
  }
  return self;
}

- (id)initTextCell:(NSString*)inTextValue truncation:(ETruncationType)truncType
{
  if ((self = [self initTextCell:inTextValue]))
  {
    mTruncationPosition = truncType;
  }
  return self;
}

- (void)setTruncationPosition:(ETruncationType)truncType
{
  mTruncationPosition = truncType;
  // redo truncation?
}

- (ETruncationType)truncationPosition
{
  return mTruncationPosition;
}

- (void)setStringValue:(NSString*)inValue
{
  NSString* oldValue = mOriginalStringValue;
  mOriginalStringValue = [inValue retain];
  [oldValue release];
  [super setStringValue:inValue];
}

- (NSString*)stringValue
{
  return mOriginalStringValue;
}

- (void)drawInteriorWithFrame:(NSRect)cellFrame inView:(NSView *)controlView
{
  [super setStringValue:[self truncatedStringForRect:cellFrame]];
  [super drawInteriorWithFrame:cellFrame inView:controlView];
}

- (NSString*)truncatedStringForRect:(NSRect)inRect
{
  NSRect textRect = [self textBoundsForFrame:inRect];
  return [mOriginalStringValue stringByTruncatingToWidth:NSWidth(textRect)
                                                      at:mTruncationPosition
                                          withAttributes:[self fontAttributes]];
}

- (NSDictionary*)fontAttributes
{
  return [NSDictionary dictionaryWithObject:[self font] forKey:NSFontAttributeName];
}

- (NSRect)textBoundsForFrame:(NSRect)inFrameRect
{
  // values derived empirically
  return NSInsetRect(inFrameRect, 2.0f, 0.0f);
}

@end

